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Re: RDFa in Drupal core

From: Kingsley Idehen <kidehen@openlinksw.com>
Date: Thu, 02 Oct 2008 16:57:14 -0400
Message-ID: <48E535AA.8020409@openlinksw.com>
To: Toby A Inkster <tai@g5n.co.uk>
CC: RDFa <public-rdf-in-xhtml-tf@w3.org>, public-rdfa@w3.org

Toby A Inkster wrote:
>
> David Peterson wrote:
>
>> Do you see any other useful, general purpose vocabs that would make
>> sense to plug into such an open framework? One key strength of Drupal is
>> its sense of tagging content.
>
> You should probably check out Richard Newman's Tag Ontology 
> <http://www.holygoat.co.uk/projects/tags/> which is a very complete 
> and flexible system for tagging content. There are essentially two 
> ways of using it - the easy way:
>
>     <#someResource>
>       tags:taggedWithTag
>         [ a tags:Tag ; tags:tagName "this" ] ,
>         [ a tags:Tag ; tags:tagName "that" ] .
>
> Which could be used a bit like this using RDFa:
>
>     <p about="#someResource">
>         This resource is tagged with:
>         <a href="http://mysite.example.com/tag/this"
>         rel="tags:taggedWitgTag tag">
>             <span typeof="tags:Tag"
>             property="tags:tagName">this</span>
>         </a>
>         and
>         <a href="http://mysite.example.com/tag/that"
>         rel="tags:taggedWitgTag tag">
>             <span typeof="tags:Tag"
>             property="tags:tagName">that</span>
>         </a>
>     </p>
>
> There's also the re-ified way, where you have a "Tagging" which is an 
> event by which tags are assigned to a resource. It works a bit like this:
>
>     
>     <#someResource>
>       tags:tag
>         [
>           a tags:Tagging ;
>           tags:taggedBy
>             [ a foaf:Person ; foaf:name "Toby Inkster" ] ;
>           tags:taggedOn
>             "2008-10-02"^^xsd:date ;
>           tags:associatedTag
>             [ a tags:Tag ; tags:tagName "this" ] ,
>             [ a tags:Tag ; tags:tagName "that" ]
>         ] .
>
> This could be marked up with RDFa like:
>
>     <div about="#someResource" rel="tags:tag" rev="tags:taggedResource">
>         <p typeof="tags:Tagging">
>             <span rel="tags:taggedBy">
>                 <span typeof="foaf:name" property="foaf:name"
>                 >Toby Inkster</span>
>             </span>
>             tagged this resource as
>             <a href="http://mysite.example.com/tag/this"
>             rel="tags:associatedTag">
>                 <span typeof="tags:Tag"
>                 property="tags:tagName">this</span>
>             </a>
>             and
>             <a href="http://mysite.example.com/tag/that"
>             rel="tags:associatedTag">
>                 <span typeof="tags:Tag"
>                 property="tags:tagName">that</span>
>             </a>
>         </p>
>     </div>
>
> (The indentation in those examples is quite horrible. Apple Mail has 
> terrible line wrapping, so I had to keep lines short to avoid 
> triggering it.)
>
Toby et al,

Also look at: http://scot-project.org/scot/

-- 


Regards,

Kingsley Idehen	      Weblog: http://www.openlinksw.com/blog/~kidehen
President & CEO 
OpenLink Software     Web: http://www.openlinksw.com
Received on Thursday, 2 October 2008 20:57:51 GMT

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